Find x. 4 ft 2.4 ft х x = ft
1 answer:
Answer:
x = 3.2 ft
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
x² + 2.4² = 4²
x² + 5.76 = 16 ( subtract 5.76 from both sides )
x² = 10.24 ( take the square root of both sides )
x = = 3.2
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